FAUST, D. The concept of negation. Logic and Logical Philosophy, [S. l.], v. 5, n. 5, p. 35–48, 2003. DOI: 10.12775/LLP.1997.003. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.1997.003. Acesso em: 28 mar. 2024.